Grupo Aval Acciones y Valores SA Zero Slope Spline-GARCH Volatility Analysis
Volatility Prediction for Monday, February 9th, 2026:29.05% (-4.34%)
Parameter Estimates
| param | t-stat | |
|---|---|---|
| 0.9418 | 2.61 | |
| 0.2072 | 8.39 | |
| 0.6593 | 17.62 | |
| -0.0029 | -0.02 | |
| -0.0759 | -0.33 | |
| 0.1662 | 1.05 | |
| -0.1949 | -1.45 | |
| 0.2561 | 2.39 | |
| -0.2451 | -2.54 | |
| 0.2632 | 2.28 | |
| -0.4271 | -3.37 | |
| 0.3782 | 3.95 |
Estimation Period:
Feb 18, 2000 to Feb 6, 2026
Feb 18, 2000 to Feb 6, 2026
News Impact Curve
Volatility Forecasts
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